专利名称：Device for ventilating a fuel tank发明人：Harald Hagen申请号：US13328273申请日：20111216公开号：US09243593B2公开日：20160126
专利附图：
摘要：A device for ventilating a fuel tank of an internal combustion engine in particularof a fuel tank of an internal combustion engine of a motor vehicle includes an activatedcarbon filter and at least one valve which is controllable by a control unit. To preventleakage of hydrocarbons into the environment without enlargement of the activated
carbon filter the control unit controls the valve in dependence on a load factor of theactivated carbon filter and/or in dependence on an operating cycle duration of theinternal combustion engine.
申请人：Harald Hagen
地址：Creussen DE
国籍：DE
代理机构：Henry M. Feiereisen LLC
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